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Frequency cosine transform: A bridge between gradient based frequency transform and discrete cosine transform

Suicheng Gu
Suicheng Gu
Ying Tan (谭营)
Ying Tan (谭营)
Xingui He
Xingui He

Nanjing, Volume null, Issue null, 2008, Pages 612-617E.

Cited by: 0|Bibtex|Views12|DOI:https://doi.org/10.1109/ICNNSP.2008.4590423
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Other Links: academic.microsoft.com
Keywords:
image processinglaplacian smoothingdiscrete cosine transformdiscrete cosine transform(dct)2d frequency transformMore(16+)

Abstract:

Discrete cosine transform(DCT) is one of the most powerful tools in image processing. In this paper, we show that each basis of the two dimensional discrete cosine transform (2D-DCT) is an ldquoeigenvectorrdquo of the frequency matrix which is used to obtain basis images of a two dimensional frequency transform (2D-FRT). We also connect t...More

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